CN101560719B - Upper decoration sewed sewing machine - Google Patents
Upper decoration sewed sewing machine Download PDFInfo
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- CN101560719B CN101560719B CN 200910134930 CN200910134930A CN101560719B CN 101560719 B CN101560719 B CN 101560719B CN 200910134930 CN200910134930 CN 200910134930 CN 200910134930 A CN200910134930 A CN 200910134930A CN 101560719 B CN101560719 B CN 101560719B
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Abstract
The invention provides an upper decoration sewed sewing machine with easy adjustment of a thread feeding part and a hook part. the upper decoration sewed sewing machine(10) capable of change the intervals of a plurality of a plurality of a plurality of sewing needles(101 to 104), has the thread feeding part (121)and a hook part (122) which can keep the upper ornamental thread via the concerted action so that the upper ornamental thread (K) passes across the feed direction between any two sewing needles when the needle is located, a swing swinging revolving shaft (107), which supply the swinging torsional force for the hook part and the thread feeding part, a first transmission mechanism (30), which transfers the power to the thread feeding part from the swinging revolving shaft, a secondary drive mechanism (40), which transfer power to the hook part, a first regulating mechanism (70) for adjusting the distance of the thread feeding part from a rotating end to a rotation center, and a second regulating mechanism (80) for adjusting the distance of the hook part from the rotating end to the rotation center.
Description
Technical field
The present invention relates to a kind of upper decoration sewed sewing machine that can regulate the interval of a plurality of suture needles.
Background technology
Upper decoration sewed sewing machine is to carry out the following following Sewing machines of making, that is, as shown in Figure 8, for a plurality of stitching B that formed abreast by a plurality of suture needles, Yi Bian about being carried out, decorative thread K crawls, Yi Bian it is sewed up in the parallel stitching.
Existing upper decoration sewed sewing machine is the upper decoration sewed sewing machine of so-called flush joint (flat seamer) formula.This Sewing machines as shown in Figure 9, for mutually pushing with end edge portion and two blocks of clothes carrying of upright state upward, by being arranged on fixed cutting tool and the movably co-operating of cutting knife on the cloth pressing 110, the upper tip cut-off that end edge portion is upright and with end part aligning, simultaneously, end overturning after the alignment is overlapped a side end above end side, then carry out upper decoration sewed at this coincidence part.
Described upper decoration sewed sewing machine 100 has: needle bar 105, and it has four suture needles 101～104 that are configured to row along the direction with cloth direction of feed (arrow A direction) quadrature; Cloth pressing 110, it presses sewn object from the top be cloth; Cloth pressing rod 111, it supports cloth pressing 110 in the bottom; Press pressing spring 112, it applies the cloth pressing force of cloth pressing 110 via cloth pressing rod 111; Line sending section 121 and hook portion 122, their co-operatings so that decorative thread K and direction of feed intersect and cross between suture needle 102 and 103 on when falling pin, swing under the state of decorative thread K tensioning on keeping; The main shaft 106 of Sewing machines, it utilizes sewing machine electromotor to carry out all-round rotation; Poewr transmission mechanism 130, its all-round rotatablely moving with main shaft 106 is transformed to swing (back and forth) motion, and transmits swing (back and forth) motion to swinging turning cylinder 107; The first transmission mechanism 140, it transmits the swing rotatory force from swinging turning cylinder 107 to line sending section 121; And second transmission mechanism 150, it transmits to hook portion 122 and swings rotatory forces from swinging turning cylinder 107.
In the bottom of needle bar 105 suture needle retainer 108 is set, it keeps four suture needles 101～104.
Keep the cloth pressing rod 111 of cloth pressing 110 adjacent with needle bar 105 in the bottom, be supported on the not shown sewing machine stand.
Swinging turning cylinder 107 is tubular, inserts above-mentioned cloth pressing rod 111 in cylinder.Described swing turning cylinder 107 is supported via metal bearing 109 rotationally by not shown sewing machine stand, and the center of rotation that swings turning cylinder 107 is consistent with the axle center of cloth pressing rod 111.
Apply the Poewr transmission mechanism 130 that swing to rotate to described swing turning cylinder 107, have following parts and consist of: eccentric cam 131, it is fixedly mounted on the main shaft 106; Reciprocating lever 132 rotatably keeps this eccentric cam 106 on the one end; And axle clasps parts 133, and the other end of itself and reciprocating lever 132 links, and keeps swinging simultaneously the upper end of turning cylinder 107.
Reciprocating lever 132 is with main shaft 106 quadratures and towards general horizontal direction.Because eccentric cam 131 is with respect to main shaft 106 off-centre, so if main shaft 106 is rotated driving, then an end of reciprocating lever 132 is rotated motion centered by main shaft.If reciprocating lever 132 1 ends are rotated motion, then only to the horizontal direction component of the other end transferring rotational motion, advance and retreat along general horizontal direction and move in this other end.The other end of reciprocating lever 132 is clasped parts 133 via spherical bearing 132a and axle and is linked, and clasps parts 133 transmission to axle and moves along the advance and retreat of the bearing of trend of reciprocating lever 132.Its result, axle is clasped parts 133 and is carried out rotational motion with swinging turning cylinder 107 centered by cloth pressing rod 111, swings turning cylinder 107 and swings rotation.Traveling priority is carried out in the other end of reciprocating lever 132, but passes through the effect of spherical bearing 132a, allows to clasp along axle the action of the circumference of parts 133.
In Figure 10 and Figure 11, the first transmission mechanism 140 has following parts and consists of: cursor 141, and it links with the bottom that swings turning cylinder 107; Kinematic link 142, the pivoting end of one end and cursor 141 links; And lever shaft 143, the other end of its lever front end and kinematic link 142 links.
According to described structure, it is to swing four of turning cylinder 107 to save linkages that the first transmission mechanism 140 consists of a joint, forms with swing turning cylinder 107 and synchronously the structure that is passed to line sending section 121 is rotated in its swing.
The second transmission mechanism 150 forms and the first transmission mechanism 140 common structures of using cursor 141, consisted of by cursor 141, kinematic link 152 and lever shaft 153, one end of this kinematic link 152 and the pivoting end of cursor 141 link, and this lever shaft 153 links the other end of lever front end and kinematic link 152.
Near another side of the pivoting end of cursor 141, link an end of kinematic link 152.
The second transmission mechanism 150 also with the first transmission mechanism 140 in the same manner, consist of a joint for swinging four joint linkages of turning cylinder 107, form with swinging turning cylinder 107 synchronously it is swung and rotate the structure that is passed to hook portion 122.
In Figure 13～Figure 14, line sending section 121 repeatedly advances (near the direction of suture needle 101～104) its pivoting end and retreats (direction of leaving to the front side of cloth direction of feed from suture needle 101～104) by swing rotating, rotate on the leading section at it, form cylindrical portion 121a and the claw 121b of the upper decorative thread K of guiding.Cylindrical portion 121a keeps upper decorative thread K by inserting, and in line sending section 121 situation that either direction moves forwards, backwards, can keep decorative thread, claw 121b forms and only keep decorative thread K when advancing, the shape that can decontrol (shape of for example forwards opening) when retreating.In addition, cylindrical portion 121a is than the outside of the more close center of rotation of claw 121b, and the upper decorative thread K that draws from the suture supply source inserts the cylindrical portion 121a from the outside.In addition, when advancing in line sending section 121, cylindrical portion 121a arrives the outside (left side) of left outside suture needle (being positioned at the suture needle of the leftmost side when cloth direction of feed A is made as the place ahead) 101, and claw 121b arrives between left outside suture needle 101 and the left suture needle 102.
By the upper decoration sewed sewing machine 100 that said structure forms, main shaft 106 is rotated driving by the driving of sewing machine electromotor, and needle bar 105 moves up and down.Then, the rotary actuation of main shaft 106 is transformed to the swing rotation action via Poewr transmission mechanism 130, and is passed to swing turning cylinder 107, in addition, first and second transmission mechanism 140,150 and the moving up and down synchronously of suture needle 101～104 swings line sending section 121 and hook portion 122 and rotates.
In addition, before being about to pin, as shown in figure 13, line sending section 121 and hook portion 122 are advanced, the cylindrical portion 121a of line sending section 121 arrives the left of left outside suture needle 101, claw 121b arrives between left outside suture needle 101 and the left suture needle 102, and the hook portion 122a of hook portion 122 arrives the right back of right outside latasuture pin 104.Thus, the upstream portion of upper decorative thread K (suture supply source) K1 remains on the direction of feed front side of left outside suture needle 101 and left suture needle 102, the wire loop of downstream part (cloth side) K2 is caught by hook portion 122a, before and after cross between left suture needle 102 and right the suture needle 103, remain on the direction of feed rear side of right suture needle 103 and right outside latasuture pin 104.Then, by sewing up decorative thread K at the pin that falls under this state.
In addition, if suture needle 101～104 is risen and is extracted from cloth, then as shown in figure 14, line sending section 121 and hook portion 122 retreat, the hook portion 122a of hook portion 122 breaks away from from the wire loop of the downstream part K2 of the upper decorative thread K that catches, hook portion 122 enter by line sending section 121 retreat and from the suture supply source between the stitching of just having finished by on the triangle wire loop K3 that newly forms of decorative thread K.Described hook portion 122 when advancing next time, decorative thread K in the hook portion 122a seizure and form the wire loop of Figure 13.Then, carry out upper decoration sewed (with reference to non-patent literature 1) by repeating above-mentioned steps.
Non-patent literature 1:JUKI Co., Ltd. distribution " sending り to go out wrist type Ornaments り Sew い ミ シ Application " Off ラ Star ト シ one マ one " 36200Series サ one PVC ス マ ニ ユ ア Le " p.30-37, issuing date: in December, 2006
Summary of the invention
Above-mentioned upper decoration sewed sewing machine, corresponding with stitching change and change suture needle retainer 108 and not shown needle plate, carry out the change adjusting of pin wide (the pin interval of each suture needle).At this moment, because the needle downing position of each suture needle also changes, so there is the situation of the cylindrical portion 121a of above-mentioned line sending section 121 and claw 121b and suture needle interference.Thus, the wrist length that needs change line sending section 121, if but because line sending section 121 is carried out above-mentioned adjusting, the suture path changing from claw 121b to hook portion 122a then, existence can't be caught by hook portion 122 situation of suture, so also need to change the wrist length of hook portion 122.
Like this, in existing upper decoration sewed sewing machine, if it is wide to produce the change pin, then need to change the problem of line sending section, hook portion.
In addition, the blocking because the transmission mechanism 140,150 of line sending section 121, hook portion 122 and these two parts all is assembled on the cloth pressing 110, so when the change metering needle is wide, to change together with cloth pressing 110, but this cloth pressing 110 is when installing, the position adjustments about need to carrying out and make and move up and down the adjustment that can not shake.Especially, not rock and mobile swimmingly in order making to move up and down, the position of cloth pressing 110 to be adjusted, but should adjust very difficult, if should adjust insufficiently, then the end difference of cloth etc. can not followed the action of cloth pressing 110, becomes the reason that produces poor stitching quality.Thus, at the change metering needle when wide, producing needs numerous and diverse and requires the problem of position adjustments of the cloth pressing 110 of accuracy.
In addition, needle downing position changes if be accompanied by the wide change of pin, and then the pendulum angle of line sending section 121 and hook portion 122 also needs change.For the change of the pendulum angle of hook portion 122, clasp parts 133 clasp parts 133 with the change axle center of rotation to the center distance of the center of spherical bearing 132a and realize by changing axle.Clasp in the situation of parts 133 at the described axle of replacing, undertaken by following step, namely, pull down cloth pressing 110 from cloth pressing rod 111, pull down by pressing spring 112, then cloth pressing rod 111 is pulled down from sewing machine stand, axle is clasped parts 133 from reciprocating lever 132 and swung turning cylinder 107 pull down, be replaced by with the wide corresponding axle of pin and clasp parts 133.In addition, after changing axle and clasping parts 133, produce following problems, that is, to swing turning cylinder 107 and make line sending section 121 and hook portion 122 actions with correct phase place in order to make, must carry out that axle is clasped parts 133 and the phase place that swings between the turning cylinder 107 is adjusted operation.
Like this, in the wide situation of change pin, produce and not only will change suture needle retainer and needle plate, also need to change other a lot of parts and the problem of numerous and diverse operation of adjusting.
The object of the invention is to, even so that change pin wide also needs changed line sending section and hook portion, the adjustment of line sending section and hook portion is become easily, the raising operating efficiency.
The invention of technical scheme 1 record is a kind of upper decoration sewed sewing machine, and it has: a plurality of suture needles, and arrange with the direction that the cloth direction of feed intersects on its edge, moves back and forth up and down; Line sending section and hook portion, they keep decorative thread, and this decorative thread is by forming upper fagot with the needlework co-operating of passing above-mentioned a plurality of suture needles, the moving back and forth interlock of this line sending section and hook portion and above-mentioned suture needle and swing rotation; Swing turning cylinder, its can be with the main shaft interlock of above-mentioned Sewing machines centered by vertical axis swing rotary; The first transmission mechanism, it is configured between above-mentioned swing turning cylinder and the line sending section, and the swing rotatory force of above-mentioned swing turning cylinder is passed to line sending section; And second transmission mechanism, it is configured between above-mentioned swing turning cylinder and the hook portion, and the swing rotatory force of above-mentioned swing turning cylinder is passed to hook portion, it is characterized in that, have: the first governor motion, its distance from center of rotation to leading section to above-mentioned line sending section is regulated; And second governor motion, its distance from center of rotation to leading section to above-mentioned hook portion is regulated.
The invention of technical scheme 2 records is characterised in that to have the structure identical with the invention of technical scheme 1 record, and simultaneously, above-mentioned the first governor motion has: the first turning cylinder; And first eccentric axial portion, it arranges prejudicially with respect to above-mentioned the first turning cylinder, supports above-mentioned line sending section,
Above-mentioned the second governor motion has: the second turning cylinder; And second eccentric axial portion, it arranges prejudicially with respect to above-mentioned the second turning cylinder, supports above-mentioned hook portion.
The invention of technical scheme 3 records is characterised in that, have the structure identical with the invention of technical scheme 1 or 2 records, simultaneously, utilization is fixed on the above-mentioned swing turning cylinder and along the advance and retreat parts of the main shaft binding of the wrist spare that radially extends of this swing turning cylinder and two ends and this wrist spare and above-mentioned Sewing machines, apply the swing rotational motion to above-mentioned swing turning cylinder
The rotational angle guiding mechanism is set, and it is arranged on the linking part between above-mentioned wrist spare and the above-mentioned advance and retreat parts, their coupling position radially can be moved adjusting along above-mentioned.
The invention of technical scheme 4 records is characterised in that to have the structure identical with the invention of technical scheme 3 records, and simultaneously, above-mentioned rotational angle guiding mechanism has: slotted hole, and it radially is formed on the above-mentioned wrist spare along above-mentioned; And latch for printed circuit, it can move along the length direction of above-mentioned slotted hole/run through with locking above-mentioned slotted hole.
The effect of invention
The invention of technical scheme 1 record can not need to change line sending section and hook portion when the change and adjustment pin is wide.Its result is owing to the replacing of cloth pressing is carried out in the replacing that does not need to be accompanied by line sending section, hook portion, so can not need to carry out the position adjustments operation of numerous and diverse cloth pressing.
Thus, at the pin of change Sewing machines when wide, do not need numerous and diverse operations such as the part replacement that accompanies with it or position adjustments, can easily carry out the wide adjusting of pin.
The invention of technical scheme 2 record can be by turning cylinder is carried out rotating operation, and is corresponding with offset, the distance from pivoting end to center of rotation of adjustment line sending section and hook portion.Thus, can more easily be accompanied by the adjustment operation of the radius of gyration of the mounting table of the wide adjustment of pin and hook portion.
The invention of technical scheme 3 records, need to be accompanied by the wide change of pin and change in the situation of pendulum angle of mounting table and hook portion producing, can only carry out the change adjusting of pendulum angle by the adjusting operation of coupling position, the parts that do not need subtend swing turning cylinder to apply the power drive mechanism of power are changed operation, can improve workability.
The invention of technical scheme 4 records can by simply adjust simple in structurely, improve operating efficiency.
Description of drawings
Fig. 1 is that expression is as the integrally-built oblique view of the upper decoration sewed sewing machine of embodiments of the present invention.
The oblique view of the primary structure in Fig. 2 sewing machine stand.
Fig. 3 is the oblique view of Poewr transmission mechanism.
Fig. 4 is the amplification oblique drawing of wanting section of Poewr transmission mechanism.
Fig. 5 is the oblique view of expression mounting table, hook portion and their transmission mechanism.
Fig. 6 is the oblique view of support axial region of the lever shaft of the first (the second) transmission mechanism.
Fig. 7 is the key diagram of the adjustment action carried out of first (the second) governor motion, (A) the short situation of the expression radius of gyration, (B) the long situation of the expression radius of gyration.
Fig. 8 is the top view of the stitching of the existing upper decoration sewed sewing machine of expression.
Fig. 9 is the oblique view of the interior primary structure of the sewing machine stand of prior art.
Figure 10 is the amplification oblique drawing of the peripheral structure of the existing cloth pressing of expression.
Figure 11 is the oblique view of the existing line sending of expression section, hook portion and transmission mechanism.
The action specification figure of Figure 12 state that to be expression kept upper decorative thread by line sending section and hook portion.
The action specification figure of Figure 13 state that to be expression kept upper decorative thread by line sending section and hook portion, expression line sending section is positioned at the state of forefront.
The action specification figure of Figure 14 state that to be expression kept upper decorative thread by line sending section and hook portion, expression line sending section are positioned at the state at rear.
The specific embodiment
(overall structures of embodiments of the present invention)
Based on Fig. 1 to Fig. 7, the upper decoration sewed sewing machine 10 related for embodiments of the present invention describes.In addition, the structure for identical with above-mentioned existing upper decoration sewed sewing machine 100 marks identical label, omits repeat specification.
Upper decoration sewed sewing machine 10 as shown in Figures 1 and 2, have above-mentioned needle bar 105, cloth pressing 110, cloth pressing rod 111, by pressing spring 112, line sending section 121, hook portion 122, main shaft 106 and swing turning cylinder 107, in addition, also have: Poewr transmission mechanism 30, it is from main shaft 106 to swinging turning cylinder 107 transferring power; The first transmission mechanism 40, it transmits the swing rotatory force from swinging turning cylinder 107 to line sending section 121; The second transmission mechanism 50, it transmits the swing rotatory force from swinging turning cylinder 107 to hook portion 122; The first governor motion 70, its distance from pivoting end to center of rotation to line sending section 121 is regulated; And second governor motion 80, its distance from pivoting end to center of rotation to hook portion 122 is regulated, and said structure all remains in the sewing machine stand 20.
In addition, this upper decoration sewed sewing machine 10 also is to send wrist type sewing machine for sewing ornaments (flush joint formula), pedestal part 21 along sewing machine stand 20 is carried out the feeding that sewn object is cloth, when making operation, because the operator makes operation from vertical body section 22 sides, so move on hand the shape that sewing machine stand 20 its pedestal part 21 of formation and arm 23 do not overlap in order to observe easily it.That is, be set to centered by vertical body section 22 and pedestal part 21 is extended to different directions with arm 23, arm 23 halfway crooked and its leading section be positioned at pedestal part 21 leading section directly over.
(Poewr transmission mechanism)
In Fig. 3, Fig. 4, apply and swing the Poewr transmission mechanism 30 that rotates to swinging turning cylinder 107, have following parts and consist of: eccentric cam 31, it is fixedly mounted on the main shaft 106; Cam-follower 34, it rotatably inserts and keeps this eccentric cam 31; Axle is clasped parts 33, and it is fixed on the upper end that swings turning cylinder 107; Rotational angle guiding mechanism 35, it regulates the swing rotational angle that swings turning cylinder 107; And reciprocating lever 32, it clasps parts 33 and cam-follower 34 bindings that are supported on the main shaft 106 via this rotational angle guiding mechanism 35 with being fixed on the axle that swings on the turning cylinder 107.That is, the two ends of reciprocating lever 32 link swing turning cylinder 107 and main shaft 106.
Cam-follower 34 rotatably supports eccentric cam 31, when main shaft 106 rotation, utilizes eccentric cam 31 to be rotated motion.
Axle is clasped parts 33 and is fixedly mounted on the upper end that swings turning cylinder 107 by screw.
Reciprocating lever 32 arranges spherical bearing 32a at both ends, clasp parts 33 via this spherical bearing 32a binding cam-follower 34 and axle.
Extension (rotation wrist) 36 is clasped parts 33 with axle and is formed, and along the radially extension that swings turning cylinder 107, on extension 36, form slotted hole 36a along its bearing of trend (swinging turning cylinder 107 radially), thread spindle 37 runs through the spherical bearing 32a of reciprocating lever 32, and then insert among the slotted hole 36a, link by clamp nut 38.
Reciprocating lever 32 is owing to having spherical bearing 32a at its both ends, so when cam-follower 34 carries out rotational motion, only axle is clasped parts 33 side transmission along the shift reciprocately of the length direction of reciprocating lever 32.
In addition, thread spindle 37 can at random carry out position adjustments along slotted hole 36a by unscrewing the nut 38 that is arranged on its bottom, can be fixed on the optional position by clamp nut 38.Consist of latch for printed circuit by thread spindle 37 and nut 38.
Thus, if the radius of gyration inboard of thread spindle 37 near extension 36 is fixed, then owing to the distance between centers of the center of rotation of clasping parts 33 from axle to the center of spherical bearing 32a shortens, so can make the swing rotational angle of the swing turning cylinder 107 that the reciprocating motion of reciprocating lever 32 causes become large, if the pendulum radius outside of thread spindle 37 near extension 36 is fixed, then since axle to clasp the center of rotation of parts 33 elongated to the distance between centers at the center of spherical bearing 32a, so the swing rotational angle of the swing turning cylinder 107 that the reciprocating motion of reciprocating lever 32 causes is reduced.That is, can by the position adjustments of thread spindle 37, regulate arbitrarily the rotational angle amplitude that swings turning cylinder 107.Thus, consist of rotational angle guiding mechanism 35 by slotted hole 36a, thread spindle 37 and nut 38.
In Fig. 5, the first transmission mechanism 40 has following parts and consists of: cursor 141, and it links with the bottom that swings turning cylinder 107; Kinematic link 142, the pivoting end of one end and cursor 141 links; And lever shaft 43, the other end of its lever front end and kinematic link 142 links.
According to described structure, the first transmission mechanism 40 formations one joint is four joint linkages of swing turning cylinder 107, becomes with swing turning cylinder 107 synchronously it to be swung the structure that rotation is passed to line sending section 121.
The second transmission mechanism 50 forms the structure of jointly using cursor 141 with the first transmission mechanism, has following parts and consists of: cursor 141; Kinematic link 152, the pivoting end of one end and cursor 141 links; And lever shaft 53, the other end of its lever front end and kinematic link 152 links.
Lever shaft 53 forms to have: as the back shaft 53a of the second turning cylinder, it is supported on the cloth pressing 110 rotationally with axle center state along the vertical direction; And lever portion 53b, it is installing with the mode that the direction of back shaft 53a quadrature is extended from the edge, upper end of back shaft 53a, the bottom of back shaft 53a is via the second governor motion 80 that the radius of gyration of the rotation leading section of hook portion 122 is regulated, and links with the base end part of hook portion 122.
The second transmission mechanism 50 also has the structure identical with the first transmission mechanism 40, constitutes a joint for swinging four joint linkages of turning cylinder 107, forms with swinging turning cylinder 107 synchronously it is swung to rotate the structure that is passed to hook portion 122.
(first and second governor motion)
In Fig. 6, Fig. 7, the first governor motion 70 has: first and second planar portions 71,72, and it is formed at the periphery upper end of the back shaft 43a of above-mentioned the first transmission mechanism 40; Trip bolt 73, it can select wrist spare 43b to fix with respect to the relative angle of back shaft 43a; As the eccentric axial portion 74 of the first eccentric axial portion, the bottom of itself and back shaft 43a forms, and embeds the base portion of installing and supporting line sending section 121; And trip bolt 75, it can be fixed with respect to eccentric axial portion 74 line sending section 121 with arbitrarily angled.In addition, the second governor motion 80 has the mechanism identical with the first governor motion 70, and it has: first and second planar portions 81,82; Trip bolt 83; As the eccentric axial portion 84 of the second eccentric axial portion, it embeds the base portion of installing and supporting hook portion 122; And trip bolt 85.
As shown in Figure 7, because eccentric axial portion 74 (84) is eccentric with respect to the center line of back shaft 43a (53a), if so keep constant and back shaft 43a (53a) rotation of wrist spare 43b (53b) centered by back shaft 43a (53a) and line sending section 121 (hook portion 122) angulation, then with the leading section of the line sending section 121 (hook portion 122) of its bottom binding change of distance to center of rotation (back shaft 43a (53a)).
In the present embodiment, because supposition changes to two kinds with pin is wide, so need to make the radius of gyration length of line sending section 121 and hook portion 122 can switch to two kinds.Thus, two planar portions 71,72 (81,82) are set in the upper end of back shaft 43a (53a), can be for each planar portions, by trip bolt 73 (83) optionally fixed support axle 43a (53a) with respect to two kinds of axle center angles of wrist spare 43b (53b).
Its result, in the situation that keeps wrist spare 43b (53b) centered by back shaft 43a (53a) and line sending section 121 (hook portion 122) angulation, if being fastened on planar portions 71 (81) by trip bolt 73 (83) upward fixes the axle center angle, then the radius of gyration (from center of rotation to the distance of rotating leading section) of line sending section 121 (hook portion 122) is made as L1, upward the axle center angle is fixed if be fastened on planar portions 72 (82) by trip bolt 73 (83), then the radius of gyration of line sending section 121 (hook portion 122) is made as L2.
In addition, switch in order to carry out easily the axle center angle, the upper end of back shaft 43a (53a) is formed the processing of slit 76 (86) etc., thereby can utilize instrument to be rotated operation.
In addition, the offset of the position of each planar portions 71,72 (81,82), eccentric axial portion 74 (84) can be corresponding with the wide regulating quantity of pin and suitably set.In addition, planar portions is not limited to two, also can arrange more, also can not be set to the plane, but on side face selected angle at random.
(action specification of upper decoration sewed sewing machine)
Upper decoration sewed sewing machine 10 to make action identical with above-mentioned existing upper decoration sewed sewing machine 100, so description thereof is omitted.
The setting of the each several part that here, carries out for being accompanied by the wide switching of pin is switched operation and is described.
If it is wide to switch pin by replacing suture needle retainer 108, then at first, the pulley (not shown) that is fixed on the main shaft 106 is rotated operation, make it to become the phase place that line sending section 121 is positioned at the position, forefront.Then, corresponding for the change in location of each suture needle 101～104 that can cause with the wide change of pin, carry out the adjusting of the radius of gyration of line sending section 121 and hook portion 122.Namely, under the state that keeps wrist spare 43b (53b) centered by back shaft 43a (53a) and line sending section 121 (hook portion 122) angulation, unscrew trip bolt 73,83,75,85, tool using carries out 180 ° of rotary manipulations to back shaft 43a, 53a.Its result, line sending section 121 and hook portion 122 are carried out respectively the switching of the radius of gyration.After switching, with trip bolt 73,83,75,85 fastening.
Then, regulate the rotational travel of line sending section 121 and hook portion 122 by rotational angle guiding mechanism 35.That is, unscrew the nut 38 of rotational angle governor motion 35, thread spindle 37 is moved along the slotted hole 36a of extension 36.Thus, because the position, forefront of line sending section 121 and hook portion 122, last location, rotational travel change, so thread spindle 37 location are gone up in position clamp nut 38 and being fixed.
The adjustment of the each several part that is caused by the wide change of pin thus, finishes.
(effect of embodiment)
In the upper decoration sewed sewing machine 10 that is formed by said structure, owing to have: the first governor motion 70, it can regulate the distance from the rotation leading section to center of rotation of line sending section 121; And second governor motion 80, its can regulate hook portion 122 from rotating leading section to the distance of center of rotation, so when the wide change of pin is regulated, can not need to change line sending section 121 and hook portion 122.Its result is owing to cloth pressing is changed in the replacing that does not need to be accompanied by line sending section 121, hook portion 122, so can not need the position adjustments operation of numerous and diverse cloth pressing.
In addition, because axle supports back shaft 43a, the 53a of line sending section 121 and hook portion 122 respectively, via with eccentric axial portion 74,84 with respect to its center of rotation off-centre, link with line sending section 121 and hook portion 122 respectively, so can pass through rotary manipulation each back shaft 43a, 53a, corresponding with offset and adjust the radius of gyration of line sending section 121 and hook portion 122.Thus, can more easily follow the adjustment operation of the radius of gyration of the line sending section of the wide adjustment of pin and hook portion.
Thus, at the pin of change Sewing machines when wide, do not need numerous and diverse operations such as the part replacement that accompanies with it and position adjustments, can easily carry out the wide adjusting of pin.
In addition, upper decoration sewed sewing machine 10, owing to be provided with rotational angle guiding mechanism 35, it can be between the connecting rod 32 and extension 36 of drive transmission mechanism 30, their coupling position is regulated along radial direction, so be accompanied by the wide change of pin at needs and carry out in the situation of change of rotational travel of line sending section 121 and hook portion 122, can only change the adjusting rotational angle by the fastening operation of thread spindle 37 and nut 38, do not need subtend to swing the replacing operation that turning cylinder 107 applies the parts of power, can improve workability.
(other)
In upper decoration sewed sewing machine 10, implement the wide change of pins by changing suture needle retainer 108, but be not particularly limited in this, for example also can form and make each suture needle 101～104 can move with respect to the suture needle retainer structure of adjusting.
In addition, line sending section 121 and hook portion 122 obtain the power from the spinning movement of sewing machine electromotor via main shaft 106, but also can have independently common or independent drive source.
In addition, first and second governor motion 70,80 all can utilize the radius of gyration of eccentric axial portion 74, the 84 pairs of line sending sections 121 and hook portion 122 to regulate, as long as but can adjust the length of the radius of gyration, be not particularly limited in this.For example also can constitute and have fixed cell, it can slide with respect to back shaft 43a (53a) line sending section 121 (hook portion 122) along the direction that is subjected to displacement at its radius of gyration, and is fixed in position arbitrarily.
In addition, the rotational angle guiding mechanism 35 of regulating for the swing rotational angle that swings turning cylinder 107 is also identical.For example, in rotational angle guiding mechanism 35, by the slide of thread spindle 37 radius of gyration of extension 36 is adjusted, but be not limited to this, also can change adjusting to the radius of gyration by the eccentric cam structure.
Claims (3)
1. upper decoration sewed sewing machine, it has:
A plurality of suture needles, arrange with the direction that the cloth direction of feed intersects on its edge, moves back and forth up and down;
Line sending section and hook portion, they keep decorative thread, and this decorative thread is by forming upper fagot with the needlework co-operating of passing above-mentioned a plurality of suture needles, the moving back and forth interlock of this line sending section and hook portion and above-mentioned suture needle and swing rotation;
Swing turning cylinder, its can be with the main shaft interlock of above-mentioned Sewing machines centered by vertical axis swing rotary;
The first transmission mechanism, it is configured between above-mentioned swing turning cylinder and the line sending section, and the swing rotatory force of above-mentioned swing turning cylinder is passed to line sending section; And
The second transmission mechanism, it is configured between above-mentioned swing turning cylinder and the hook portion, and the swing rotatory force of above-mentioned swing turning cylinder is passed to hook portion,
It is characterized in that having:
The first governor motion, its distance from center of rotation to leading section to above-mentioned line sending section is regulated; And
The second governor motion, its distance from center of rotation to leading section to above-mentioned hook portion is regulated,
Above-mentioned the first governor motion has: the first turning cylinder; And first eccentric axial portion, it arranges prejudicially with respect to above-mentioned the first turning cylinder, supports above-mentioned line sending section,
Above-mentioned the second governor motion has: the second turning cylinder; And second eccentric axial portion, it arranges prejudicially with respect to above-mentioned the second turning cylinder, supports above-mentioned hook portion.
2. upper decoration sewed sewing machine according to claim 1 is characterized in that,
Utilization is fixed on the above-mentioned swing turning cylinder and along the advance and retreat parts of the main shaft binding of the wrist spare that radially extends of this swing turning cylinder and two ends and this wrist spare and above-mentioned Sewing machines, applies the swing rotational motion to above-mentioned swing turning cylinder,
The rotational angle guiding mechanism is set, and it is arranged on the linking part between above-mentioned wrist spare and the above-mentioned advance and retreat parts, their coupling position radially can be moved adjusting along above-mentioned.
3. upper decoration sewed sewing machine according to claim 2 is characterized in that,
Above-mentioned rotational angle guiding mechanism has: slotted hole, and it radially is formed on the above-mentioned wrist spare along above-mentioned; And latch for printed circuit, it runs through above-mentioned slotted hole, can move along the length direction of above-mentioned slotted hole/lock.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-105382 | 2008-04-15 | ||
| JP2008105382 | 2008-04-15 | ||
| JP2008105382A JP5197120B2 (en) | 2008-04-15 | 2008-04-15 | Top sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101560719A CN101560719A (en) | 2009-10-21 |
| CN101560719B true CN101560719B (en) | 2013-05-29 |
Family
ID=41219679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910134930 Expired - Fee Related CN101560719B (en) | 2008-04-15 | 2009-04-15 | Upper decoration sewed sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5197120B2 (en) |
| CN (1) | CN101560719B (en) |
| TW (1) | TWI461583B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101517982B1 (en) * | 2013-04-24 | 2015-05-06 | 조이현 | Sewing machine |
| CN108018657B (en) * | 2018-01-25 | 2021-04-02 | 兰明吾 | Sewing method of rivet decorative sheet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901655A (en) * | 1996-09-12 | 1999-05-11 | Juki Corporation | Multi-thread chain switch sewing machine |
| CN2392795Y (en) * | 1999-10-22 | 2000-08-23 | 张锡良 | Presser-wheel operation mechanism of computer quilter |
| CN2644455Y (en) * | 2003-09-12 | 2004-09-29 | 精机机械厂股份有限公司 | Decorating line driving mechanism of sewing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041909Y2 (en) * | 1983-06-21 | 1985-12-20 | グンゼ株式会社 | interlock stitch sewing machine |
| JPS62114591A (en) * | 1985-11-14 | 1987-05-26 | ペガサスミシン製造株式会社 | Decorative needle thread looper of decorative stitch sewing machine |
| JP2003038872A (en) * | 2001-07-30 | 2003-02-12 | Aisin Seiki Co Ltd | Decorative-stitch sewing-machine |
| TWM240454U (en) * | 2003-08-22 | 2004-08-11 | Ching Chi Machine Co Ltd | Driving mechanism for decoration thread of sewing machine |
-
2008
- 2008-04-15 JP JP2008105382A patent/JP5197120B2/en not_active Expired - Fee Related
-
2009
- 2009-04-14 TW TW098112290A patent/TWI461583B/en not_active IP Right Cessation
- 2009-04-15 CN CN 200910134930 patent/CN101560719B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901655A (en) * | 1996-09-12 | 1999-05-11 | Juki Corporation | Multi-thread chain switch sewing machine |
| CN2392795Y (en) * | 1999-10-22 | 2000-08-23 | 张锡良 | Presser-wheel operation mechanism of computer quilter |
| CN2644455Y (en) * | 2003-09-12 | 2004-09-29 | 精机机械厂股份有限公司 | Decorating line driving mechanism of sewing machine |
Non-Patent Citations (2)
| Title |
|---|
| JP昭62-114591A 1987.05.26 |
| JP特开2003-38872A 2003.02.12 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI461583B (en) | 2014-11-21 |
| TW201009150A (en) | 2010-03-01 |
| JP5197120B2 (en) | 2013-05-15 |
| CN101560719A (en) | 2009-10-21 |
| JP2009254492A (en) | 2009-11-05 |
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